- connections.push_back (_io->panner()->Changed.connect (
- mem_fun(*this, &PannerUI::panner_changed)));
- connections.push_back (_io->panner()->LinkStateChanged.connect (
- mem_fun(*this, &PannerUI::update_pan_linkage)));
- connections.push_back (_io->panner()->StateChanged.connect (
- mem_fun(*this, &PannerUI::update_pan_state)));
-